Fix "unreachable code" warnings (MSVC warning 4702) in chrome/browser/.

chrome/browser/ui/views/frame/browser_view.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 940 matching lines @@
     fullscreen_bubble_->UpdateContent(url, bubble_type);
   } else {
     fullscreen_bubble_.reset(new FullscreenExitBubbleViews(
         this, url, bubble_type));
   }
 }
 
 bool BrowserView::ShouldHideUIForFullscreen() const {
 #if defined(USE_ASH)
   // Immersive mode needs UI for the slide-down top panel.
-  return IsFullscreen() && !immersive_mode_controller_->IsEnabled();
+  if (immersive_mode_controller_->IsEnabled())
+    return false;
 #endif
   return IsFullscreen();
 }
 
 bool BrowserView::IsFullscreen() const {
   return frame_->IsFullscreen();
 }
 
 bool BrowserView::IsFullscreenBubbleVisible() const {
   return fullscreen_bubble_ != NULL;
@@ skipping 1602 matching lines @@
       !GetLocationBar()->GetOmniboxView()->model()->popup_model()->IsOpen()) {
     gfx::Point icon_bottom(
         toolbar_->location_bar()->GetLocationBarAnchorPoint());
     ConvertPointToTarget(toolbar_->location_bar(), this, &icon_bottom);
     gfx::Point infobar_top(0, infobar_container_->GetVerticalOverlap(NULL));
     ConvertPointToTarget(infobar_container_, this, &infobar_top);
     top_arrow_height = infobar_top.y() - icon_bottom.y();
   }
   return top_arrow_height;
 }